Optical absorption and photoluminescence properties of Eu3+-doped ZnF2-PbO-TeO2 glasses

被引：74
|
作者：
Kumar, VR [1 ]
Veeraiah, N
Rao, BA
Bhuddudu, S
机构：
[1] Nagarjuna Univ, PG Ctr, Dept Phys, Nuzvid 521201, Andhra Pradesh, India
[2] Osmania Univ, PG Coll Sci, Dept Phys, Hyderabad 500007, Andhra Pradesh, India
[3] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
来源：
JOURNAL OF MATERIALS SCIENCE | 1998年 / 33卷 / 10期
关键词：
Polymer; Absorption Band; Optical Absorption; Measured Intensity; Photoluminescence Spectrum;
D O I：
10.1023/A:1004321706627
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Several physical, optical absorption and photoluminescence properties of Eu3+-doped ZnF2-PbO-TeO2 glasses have been studied. From the measured intensities of various absorption bands of these glasses the Judd-Ofelt parameters Omega(2), Omega(4) and Omega(6) have been computed. The Judd-Ofelt theory has been applied to characterize the photoluminescence spectra of these glasses. From this theory, various radiative properties, such as transition probability, A, branching ratio, beta(r) and emission cross-section, sigma(P)(E), for various emission levels of these glasses, have been determined and reported. (C) 1998 Chapman & Hall.
引用
收藏
页码：2659 / 2662
页数：4
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